byte Keyword in Java with Examples

  1. A byte is a Java primitive type. 
  2. This is a signed 8-bit type that has a range from –128 to 127. 
  3. Variables of type byte are especially useful when you’re working with a stream of data from a network or file. 
  4. There is Byte wrapper class represents primitive byte as an object.

byte Java Keyword Examples

Byte variables are declared by use of the byte keyword. For example, the following declares a byte variable called a:
byte a = 1;
The byte keyword can be used to the declared return type of a method as well:
public byte getByte() {
    return a;


  • A byte variable is signed 8-bit type that has a range from –128 to 127.
  • The Byte class is a wrapper class for the byte primitive type. It defines MIN_VALUE and MAX_VALUE constants representing the range of values for this type.